package homeWork;

abstract class phone {
    public void use(){
        System.out.println("打电话 发信息");
    }
}

class applePhone extends phone implements Game{

    @Override
    public void playGame() {
        System.out.println("loading...");
    }

    @Override
    public void use() {
        System.out.println("打电话 发信息 玩游戏");
    }
}
